1、Selected ABS flame material, through multiple processes made of flame retardant shell, more safe use. 2、Multifunction, the parameters in the power grid can be measured basically. Three-phase voltage, current, power, reactive power, RS485 communication, etc. 3、All lines on PCB board adopt high-precision full-automatic smathing machine for precise smathing, with scientific circuit design and strong anti-interference. 4、It is suitable for electric power intelligent monitoring and electric energy measurement in electric power system, industrial and mining enterprises, public facilities, intelligent buildings, etc. 5、With easy installation, simple wiring, easy maintenance, small amount of engineering, field programmable set input parameters function. 1 x Power Meter 1 x Instruction Condition: 100% Brand NewItem Type: Power Meter Material: ABSColor: WhiteWiring: Three-phase four-cable Y34/ three-phase three-cable V33Range: 400V / 100VOverload: Duration: 1.2 times, Instantaneous: 2 timesPower Consumption: < 1VARange: 5A/ 1AOverload: Duration: 1.2 times, Instantaneous: 2 timesPower Consumption: < 1VAFrequency: 40-65 HzPower Supply: AC220VPower Pulse: Passive photocoupler collector outputFixed Pulse Width: 80mS±20%Communication Speed: 4300-38400Check Mode: N81, E81, O81Analog Output: 0/4-20mA or 0- 5/10v converter outputCapacity: 5A/250VAC, 5A/30VDCElectric Quantity: 0.5 Frequency: ± 0.1HzActive Power: 0.5sReactive Energy: 1Analog Input: 0.5Display Mode: HD displayOperating Temperature: -10-55℃Storage Temperature: -20-75℃Size: Approx. 9.7 x 8.4 x 8.4cm / 3.8 x 3.3 x 3.3inWeight: Approx. 458g / 16.2oz